61424670 has 32 divisors (see below), whose sum is σ = 148079520. Its totient is φ = 16306560.

The previous prime is 61424669. The next prime is 61424707. The reversal of 61424670 is 7642416.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (4627485).

Almost surely, 2^61424670 is an apocalyptic number.

61424670 is an abundant number, since it is smaller than the sum of its proper divisors (86654850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61424670 is a wasteful number, since it uses less digits than its factorization.

61424670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 61424670 is about 7837.3892336670. The cubic root of 61424670 is about 394.5611105596.

The spelling of 61424670 in words is "sixty-one million, four hundred twenty-four thousand, six hundred seventy".